class_docstr: Environment with tuple of discrete spaces at each time step.
code: def step(self, action):
      # Execute one time step within the environment
      self._take_action(action)
      obs = self._next_observation()
      self.current_step += 1
      return obs, self.reward(), self.current_step == self.horizon, {}
  
file_path: nevergrad/nevergrad/functions/gym/tuple_gym_env.py
imports: import gym
  import numpy
  from gym.spaces import Box, Tuple, MultiDiscrete
label_desc: Use image node_id 6 for calling the TupleActionSpace obj's underlying member method code with example usage: obj.step(action) and returns: obs,  self,  unknown,  dict